About the security content of Apple TV 7.0.3

This document describes the security content of Apple TV 7.0.3.

For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.

Description: A state management issue existed in the handling of Mach-O executable files with overlapping segments. This issue was addressed through improved validation of segment sizes

CVE-ID

CVE-2014-4455 : TaiG Jailbreak Team

Apple TV

Available for: Apple TV 3rd generation and later

Impact: Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution

Description: A buffer overflow existed in the handling of font files. This issue was addressed through improved bounds checking.

CVE-ID

CVE-2014-4483 : Apple

Apple TV

Available for: Apple TV 3rd generation and later

Impact: Processing a maliciously crafted .dfont file may lead to an unexpected application termination or arbitrary code execution

Description: A memory corruption issue existed in the handling of .dfont files. This issue was addressed through improved bounds checking.

CVE-ID

CVE-2014-4484 : Gaurav Baruah working with HP's Zero Day Initiative

Apple TV

Available for: Apple TV 3rd generation and later

Impact: Viewing a maliciously crafted XML file may lead to an unexpected application termination or arbitrary code execution

Description: A buffer overflow existed in the XML parser. This issue was addressed through improved bounds checking.

CVE-ID

CVE-2014-4485 : Apple

Apple TV

Available for: Apple TV 3rd generation and later

Impact: A malicious application may be able to execute arbitrary code with system privileges

Description: A null pointer dereference existed in IOAcceleratorFamily's handling of resource lists. This issue was addressed by removing unneeded code.

CVE-ID

CVE-2014-4486 : Ian Beer of Google Project Zero

Apple TV

Available for: Apple TV 3rd generation and later

Impact: A malicious application may be able to execute arbitrary code with system privileges

Description: A buffer overflow existed in IOHIDFamily. This issue was addressed through improved size validation.

CVE-ID

CVE-2014-4487 : TaiG Jailbreak Team

Apple TV

Available for: Apple TV 3rd generation and later

Impact: A malicious application may be able to execute arbitrary code with system privileges

Description: A validation issue existed in IOHIDFamily's handling of resource queue metadata. This issue was addressed through improved validation of metadata.

CVE-ID

CVE-2014-4488 : Apple

Apple TV

Available for: Apple TV 3rd generation and later

Impact: A malicious application may be able to execute arbitrary code with system privileges

Description: A null pointer dereference existed in IOHIDFamily's handling of event queues. This issue was addressed through improved validation.

CVE-ID

CVE-2014-4489 : @beist

Apple TV

Available for: Apple TV 3rd generation and later

Impact: Maliciously crafted or compromised iOS applications may be able to determine addresses in the kernel

Description: An information disclosure issue existed in the handling of APIs related to kernel extensions. Responses containing an OSBundleMachOHeaders key may have included kernel addresses, which may aid in bypassing address space layout randomization protection. This issue was addressed by unsliding the addresses before returning them.

CVE-ID

CVE-2014-4491 : @PanguTeam, Stefan Esser

Apple TV

Available for: Apple TV 3rd generation and later

Impact: A malicious application may be able to execute arbitrary code with system privileges

Description: An issue existed in the kernel shared memory subsystem that allowed an attacker to write to memory that was intended to be read-only. This issue was addressed with stricter checking of shared memory permissions.

CVE-ID

CVE-2014-4495 : Ian Beer of Google Project Zero

Apple TV

Available for: Apple TV 3rd generation and later

Impact: Maliciously crafted or compromised iOS applications may be able to determine addresses in the kernel

Description: The mach_port_kobject kernel interface leaked kernel addresses and heap permutation value, which may aid in bypassing address space layout randomization protection. This was addressed by disabling the mach_port_kobject interface in production configurations.

CVE-ID

CVE-2014-4496 : TaiG Jailbreak Team

Apple TV

Available for: Apple TV 3rd generation and later

Impact: A malicious, sandboxed app can compromise the networkd daemon

Description: Multiple type confusion issues existed in networkd's handling of interprocess communication. By sending a maliciously formatted message to networkd, it could be possible to execute arbitrary code as the networkd process. The issue is addressed through additional type checking.

CVE-ID

CVE-2014-4492 : Ian Beer of Google Project Zero

Apple TV

Available for: Apple TV 3rd generation and later

Impact: Style sheets are loaded cross-origin which may allow for data exfiltration

Description: An SVG loaded in an img element could load a CSS file cross-origin. This issue was addressed through enhanced blocking of external CSS references in SVGs.

CVE-ID

CVE-2014-4465 : Rennie deGraaf of iSEC Partners

Apple TV

Available for: Apple TV 3rd generation and later

Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution

Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later

Impact: A malicious application may be able to execute arbitrary code with system privileges

Description: The Kerberos libgssapi library returned a context token with a dangling pointer. This issue was addressed by improving state management.

CVE-ID

CVE-2014-5352

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